195726842 has 8 divisors (see below), whose sum is σ = 296889300. Its totient is φ = 96763744.

The previous prime is 195726823. The next prime is 195726859. The reversal of 195726842 is 248627591.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 164378041 + 31348801 = 12821^2 + 5599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 195726793 and 195726802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549617 + ... + 549972.

Almost surely, 2^195726842 is an apocalyptic number.

195726842 is a deficient number, since it is larger than the sum of its proper divisors (101162458).

195726842 is a wasteful number, since it uses less digits than its factorization.

195726842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099680.

The product of its digits is 241920, while the sum is 44.

The square root of 195726842 is about 13990.2409557520. The cubic root of 195726842 is about 580.6085981896.

The spelling of 195726842 in words is "one hundred ninety-five million, seven hundred twenty-six thousand, eight hundred forty-two".